Home / 37,985.60-57,010.80-30,598.40

Finding the Fourth Proportional to 37,985.60, 57,010.80 and 30,598.40

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Solution

The fourth proportional to 37,985.60, 57,010.80 and 30,598.40 is: 45,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985.60 : 57,010.80 = 30,598.40 : x
  2. Step 2: Convert to fraction form
    37,985.60/57,010.80 = 30,598.40/x
  3. Step 3: Cross multiply
    37,985.60x = 57,010.80 × 30,598.40
  4. Step 4: Simplify right side
    37,985.60x = 1,744,439,262.72
  5. Step 5: Solve for x
    x = 1,744,439,262.72/37,985.60
  6. Step 6: Final answer
    x = 45,923.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.